InChI=1S/C36H32O18/c37-13-3-1-2-12(6-13)36-33(47)25(23-16(39)7-14(38)8-21(23)53-36)24-22(54-36)10-20(50-35-29(46)27(44)28(45)32(52-35)34(48)49)15-9-19(42)30(51-31(15)24)11-4-17(40)26(43)18(41)5-11/h1-8,10,19,25,27-30,32-33,35,37-47H,9H2,(H,48,49)